Air conditioner



FIG. 1 is a front elevational view of an air conditioner, showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a front, top and left side perspective view thereof; and,

FIG. 7 is an enlarged cross-sectional view thereof, taken along line 7--7 of FIG. 1.

The left side elevational view is omitted as that is symmetrical to the right side elevational view. 

The ornamental design for an air conditioner, as shown and described. 